500689-75-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 500689-75-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,0,6,8 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 500689-75:
(8*5)+(7*0)+(6*0)+(5*6)+(4*8)+(3*9)+(2*7)+(1*5)=148
148 % 10 = 8
So 500689-75-8 is a valid CAS Registry Number.